protected override unsafe void OnUpdate()
{
using (var entities = new NativeArray <Entity>(
TerrainSettings.ChunkCount * TerrainSettings.ArrayChunk,
Allocator.Temp
))
{
EntityManager.CreateEntity(_entityArchetypeNoise, entities);
}
var meshCalculationGrid = new MeshCalculationGrid
(
TerrainSettings.Resolution,
1f / TerrainSettings.Resolution,
TerrainSettings.TotalVertices,
TerrainSettings.TotalTriangles
);
meshCalculationGrid.Schedule(64).Complete();
_vertices.NativeInject(meshCalculationGrid.Vertices);
_triangles.NativeInject(meshCalculationGrid.Triangles);
using (var entities = new NativeArray <Entity>(TerrainSettings.ChunkCount, Allocator.Temp))
{
EntityManager.CreateEntity(_entityArchetypeMesh, entities);
for (var i = 0; i < TerrainSettings.ChunkCount; i++)
{
var mesh = new Mesh();
mesh.SetVertices(_vertices);
mesh.SetTriangles(_triangles, 0);
mesh.SetNormals(_vertices);
mesh.MarkDynamic();
_renderMesh.mesh = mesh;
PostUpdateCommands.SetSharedComponent(entities[i], _renderMesh);
PostUpdateCommands.SetComponent(entities[i], new RenderBounds
{
Value = new AABB
{
Center = float3.zero,
Extents = math.float3(0.5f, 1f, 0.5f)
}
});
}
}
var entity = EntityManager.CreateEntity(EntityManager.CreateArchetype(typeof(VerticesData)));
var verticesData = EntityManager.GetBuffer <VerticesData>(entity);
verticesData.ResizeUninitialized(TerrainSettings.TotalVertices);
verticesData.InjectData(meshCalculationGrid.Vertices.GetUnsafeReadOnlyPtr(), TerrainSettings.TotalVertices);
meshCalculationGrid.Dispose();
_triangles.Clear();
_vertices.Clear();
}
private protected override Mesh CreateMesh(MeshData meshData)
{
var mesh = new Mesh();
using (var meshCalculationGrid = new MeshCalculationGrid(meshData))
{
meshCalculationGrid.Schedule(64).Complete();
mesh.vertices = meshCalculationGrid.Vertices.ToArray();
mesh.triangles = meshCalculationGrid.Triangles.ToArray();
}
return(mesh);
}
